Photorealistic avatars that speak your voice agent's audio in real time
Stage
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Founded
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Based in
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Pricing model
Free
Paid
Pricing
The Mac app is free. Local models have no per-request fees. Cloud providers using BYOK may charge their own fees.
Realistic Avatars: $0.02 per minute, billed per second. Voice Agents: $0.06 per minute, billed per second. Open Source: Free (MIT License). Custom avatar: $199 per avatar (one time). Remove watermark: $19 per month. New accounts get $1 of free credits.
Key features
Chat with PDFs and get answers grounded in the document
Citations that follow back to exact pages
Offline PDF summaries with Local AI
Multi-document research across folders
Highlights and annotations with organization
Multiple export formats including HTML and PDF
Web share links for selected content
Real-time lip-sync with accurate mouth shapes from audio alone
Works with any TTS or voice provider (OpenAI, ElevenLabs, Azure, Fish Audio, Cartesia)
Avatar responds in less than 250 milliseconds
WebRTC delivery with video and audio in sync, no media servers required
LiveKit integration for drop-in avatar as participant
SDK with server and client libraries for quick integration
User interruption support to stop avatar mid-sentence
Sessions can run up to 3 hours each
Works with any language audio
No text or viseme data required
What makes it different
Keeps PDFs and AI inference on your Mac for privacy
Citations and highlights keep research connected to sources
Works offline after model download
No account or document quota required
Photorealistic avatars that require no 3D work or custom training
Ultra-low latency under 250 milliseconds
Affordable pricing from $0.02 per minute, billed per second with no minimum